Solution : https://service.sap.com/sap/support/notes/674750 (SAP Service marketplace login required)
Key words :
system displays error message vw689 'weight, program error, calculated correctly, handling unit, terms vt01n, vt03n reason, prerequisites prerequisite, shipment includes, handling units, goods issue
Related Notes :
680061 | Delivery HU not displayed in the transport |
645312 | Incorrect volume determation in transport with HUs |